DE60219046D1 - Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems - Google Patents

Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems

Info

Publication number
DE60219046D1
DE60219046D1 DE60219046T DE60219046T DE60219046D1 DE 60219046 D1 DE60219046 D1 DE 60219046D1 DE 60219046 T DE60219046 T DE 60219046T DE 60219046 T DE60219046 T DE 60219046T DE 60219046 D1 DE60219046 D1 DE 60219046D1
Authority
DE
Germany
Prior art keywords
semi
paper
pulp
water system
bzw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60219046T
Other languages
English (en)
Other versions
DE60219046T2 (de
Inventor
Sakari Laitinen-Vellonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liqum Paper Oy
Original Assignee
Liqum Paper Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI20015022A external-priority patent/FI20015022A0/fi
Application filed by Liqum Paper Oy filed Critical Liqum Paper Oy
Application granted granted Critical
Publication of DE60219046D1 publication Critical patent/DE60219046D1/de
Publication of DE60219046T2 publication Critical patent/DE60219046T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00Other accessories for paper-making machines
    • D21G9/0009Paper-making control systems
    • D21G9/0018Paper-making control systems controlling the stock preparation
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1052Controlling the process
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/66Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/78Controlling or regulating not limited to any particular process or apparatus
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/08Controlling the addition by measuring pulp properties, e.g. zeta potential, pH

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE60219046T 2001-08-21 2002-08-21 Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems Expired - Lifetime DE60219046T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI20015022A FI20015022A0 (fi) 2001-08-21 2001-08-21 Menetelmä paperin- tai kartonginvalmistuksessa
FI20015022 2001-08-21
FI20025023A FI20025023A (fi) 2001-08-21 2002-05-17 Menetelmä paperi- tai selluprosessissa massa- ja kiertovesijärjestelmän kemiallisen tilan hallitsemiseksi
FI20025023 2002-05-17
PCT/FI2002/000684 WO2003018908A1 (en) 2001-08-21 2002-08-21 Method in a paper or pulp process to control the chemical state of the pulp and circulation water system

Publications (2)

Publication Number Publication Date
DE60219046D1 true DE60219046D1 (de) 2007-05-03
DE60219046T2 DE60219046T2 (de) 2007-12-13

Family

ID=26161249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60219046T Expired - Lifetime DE60219046T2 (de) 2001-08-21 2002-08-21 Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems

Country Status (7)

Country Link
US (1) US20040238140A1 (de)
EP (1) EP1430178B1 (de)
AT (1) ATE357556T1 (de)
CA (1) CA2456538C (de)
DE (1) DE60219046T2 (de)
FI (1) FI20025023A (de)
WO (1) WO2003018908A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20051096A (fi) * 2005-10-31 2007-05-01 Savcor Process Oy Menetelmä paperikoneen, kartonkikoneen tai muun vastaavan rainanmuodostuskoneen märässä päässä
FI123392B (fi) * 2008-02-22 2013-03-28 Upm Kymmene Oyj Menetelmä kalsiumkarbonaatin saostamiseksi kuiturainaprosessin yhteydessä ja kuiturainakoneen lähestymisjärjestelmä
WO2011149797A1 (en) * 2010-05-22 2011-12-01 Eltron Research & Development Inc. Paper dewatering
DE102010041052A1 (de) * 2010-09-20 2012-03-22 Voith Patent Gmbh Verfahren zum Regeln der Formation einer Faserstoffbahn
DE102011083709A1 (de) * 2011-09-29 2013-04-04 Voith Patent Gmbh Betriebsverfahren für eine Stoffaufbereitung
EP3508635A4 (de) * 2016-08-31 2020-05-20 Seiko Epson Corporation Bahnherstellungsvorrichtung und steuerungsverfahren der bahnherstellungsvorrichtung
JP7211022B2 (ja) * 2018-11-07 2023-01-24 セイコーエプソン株式会社 ウェブ製造装置およびシート製造装置
US20220026343A1 (en) * 2018-11-27 2022-01-27 Kemira Oyj Method for estimating the vapor phase corrosion load

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876497A (en) * 1971-11-23 1975-04-08 Sterling Drug Inc Paper mill waste sludge oxidation and product recovery
DE2746179A1 (de) * 1977-10-14 1979-04-19 Bayer Ag Verfahren zur messung des ladungszustandes von suspensionen und zur steuerung der zugabe von hilfsmitteln zu suspensionen
SE442414B (sv) * 1981-09-22 1985-12-23 Holmens Bruk Ab Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem
EP0079726B2 (de) * 1981-11-09 1996-10-30 The Wiggins Teape Group Limited Apparat zur Bestimmung eines elektrischen Merkmals einer Faser-Dispersion
US4752356A (en) * 1985-10-18 1988-06-21 Miami University Papermaking process
US6072309A (en) * 1996-12-13 2000-06-06 Honeywell-Measurex Corporation, Inc. Paper stock zeta potential measurement and control
US5936151A (en) * 1997-12-22 1999-08-10 International Paper Company Method and apparatus for measuring an electrical property of papermaking furnish
US6176974B1 (en) * 1997-12-22 2001-01-23 International Paper Company Method for determining electrokinetic properties of papermaking furnish
US6086716A (en) * 1998-05-11 2000-07-11 Honeywell-Measurex Corporation Wet end control for papermaking machine
FI113089B (fi) * 1999-10-06 2004-02-27 Liqum Oy Menetelmä paperinvalmistusprosessin analysoimiseksi ja sähkökemiallinen anturi nesteen analysoimiseksi
CA2404968C (en) * 2000-04-05 2011-08-30 Liqum Oy Method and system for monitoring and analyzing a paper manufacturing process
US7056419B2 (en) * 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
FI20021901A0 (fi) * 2002-10-24 2002-10-24 Liqum Oy Menetelmä prosessin valvomiseksi

Also Published As

Publication number Publication date
US20040238140A1 (en) 2004-12-02
DE60219046T2 (de) 2007-12-13
EP1430178B1 (de) 2007-03-21
FI20025023A0 (fi) 2002-05-17
ATE357556T1 (de) 2007-04-15
WO2003018908A1 (en) 2003-03-06
FI20025023A (fi) 2003-02-22
EP1430178A1 (de) 2004-06-23
CA2456538C (en) 2010-04-27
CA2456538A1 (en) 2003-03-06

Similar Documents

Publication Publication Date Title
ATE262617T1 (de) Verfahren und vorrichtung zum zuführen einer chemikalie in eine flüssigkeit
DE60219046D1 (de) Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems
JP2009241018A (ja) スライムコントロール方法及び装置
ATE529569T1 (de) Verfahren zur papierherstellung mit enzymbehandeltem schlamm, und produkte
SE9803384D0 (sv) Förfarande för behandling av processvatten
DE59403685D1 (de) Verfahren zur nassoxidativen behandlung von organischen schadstoffen in abwässern
MX9400865A (es) Proceso y aparato para controlar la deshidratacionde suspensiones.
ATE423867T1 (de) Behandlungsverfahren für kreislaufwasser
DE69729728D1 (de) Verfahren zur einrichtung des wasserkreislaufs in einer papierfabrik
FI970671A0 (fi) Menetelmä massan ominaisuuksien määrittämiseksi
ATE263271T1 (de) Verfahren für den kurzen umlauf
DE60013185D1 (de) Verfahren und vorrichtung zur betriebssteuerung des annäherungssystems einer papier-, pappe- oder dergleichen herstellungsmaschine
WO2003074788A3 (en) Improvements to processes for manufacturing paper products by improving the physico-chemical behaviour of the paper stock
WO2004046456A8 (en) Method and arrangement in making of mechanical pulp
ES2164752T3 (es) Procedimiento para la eliminacion de metales pesados.
ATE331069T1 (de) Verfahren zur anwendung von wasserhydraulik in papier- und pappemaschinen
Nuortila-Jokinen Choice of optimal membrane processes for economical treatment of paper machine clear filtrate.
DK1137602T3 (da) Fremgangsmåde til behandling af slam fra anlæg til biologisk rensning af vand
SE9800797D0 (sv) Framställning av massa
JP2005146483A (ja) 古紙再生パルプの漂白方法

Legal Events

Date Code Title Description
8364 No opposition during term of opposition